Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by В.Ф. ТитовfiledCriticalВ.Ф. Титов
Priority to SU3324662/06ApriorityCriticalpatent/SU993681A1/ru
Application grantedgrantedCritical
Publication of SU993681A1publicationCriticalpatent/SU993681A1/ru